Answer:
x = ± 
Step-by-step explanation:
Given
x² = 20 ( take the square root of both sides )
x = ± 
which can be simplified to
x = ± 2
[ ± means plus or minus ]
Answer:
I think its 12.56
Step-by-step explanation:
Multiply 4 and 3.14(thats pi)
The correct answer is 8.
Hope this helped!
4h +8=20
Hours worked times rate paid plus 8 must equal 20